The chemical Vanillic acid has a known molecular formula of C8-H8-O4. Synonyms may include: 4-10-00-01459 (Beilstein Handbook Reference), Acide vanillique, AI3-19542, m-Anisic acid, 4-hydroxy-, Benzoic acid, 4-hydroxy-3-methoxy-, BRN 2208364, EINECS 204-466-8, 4-Hydroxy-3-methoxybenzoic acid, 3-Methoxy-4-hydroxybenzoic acid, NSC 3987 (ChemID).